# Question

The U.S. Bureau of Citizenship and Immigration Services collects and reports information about naturalized persons in Statistical Yearbook. Suppose that a naturalized person is selected at random. Define events as follows:

A = the person is younger than 20 years old,

B = the person is between 30 and 64 years old, inclusive,

C = the person is 50 years old or older, and

D = the person is older than 64 years.

Determine the following events:

a. (not A)

b. (B or D)

c. (A & C) Which of the following collections of events are mutually exclusive?

d. B and C

e. A, B, and D

f. (not A) and (not D)

A = the person is younger than 20 years old,

B = the person is between 30 and 64 years old, inclusive,

C = the person is 50 years old or older, and

D = the person is older than 64 years.

Determine the following events:

a. (not A)

b. (B or D)

c. (A & C) Which of the following collections of events are mutually exclusive?

d. B and C

e. A, B, and D

f. (not A) and (not D)

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